DNA Marker Index information for Chromosome: Y Marker: Y128020.1Names and Aliases for this DNA Marker: Y128020.1, Y128020.Chromosome Position in hg38 Human Genome assembly1: 21382569.Chromosome Position in hg19 assembly2: 23544455 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.